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A new solution to the purchasing power parity puzzles? Risk-aversion, exchange rate uncertainty and the law of one price: Insights from the market of online air-travel tickets

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Abstract

We argue that even in perfectly frictionless markets risk aversion driven by exchange rate uncertainty may cause a wedge between the domestic and foreign price of a totally homogeneous good. We test our hypothesis using a natural experiment based on a unique micro-data set from a market with minimum imperfections. The empirical findings validate our hypothesis, as accounting for exchange rate uncertainty we are able to explain a substantial proportion of deviations from the law of one price. Overall, our analysis suggests the possibility of a new solution to the purchasing power parity puzzles.

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  • Arghyrou, Michael G & Gregoriou, Andros & Pourpourides, Panayiotis M., 2009. "A new solution to the purchasing power parity puzzles? Risk-aversion, exchange rate uncertainty and the law of one price: Insights from the market of online air-travel tickets," Cardiff Economics Working Papers E2009/2, Cardiff University, Cardiff Business School, Economics Section, revised Jul 2009.
  • Handle: RePEc:cdf:wpaper:2009/2
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    1. Sercu, Piet & Uppal, Raman & Van Hulle, Cynthia, 1995. " The Exchange Rate in the Presence of Transaction Costs: Implications for Tests of Purchasing Power Parity," Journal of Finance, American Finance Association, vol. 50(4), pages 1309-1319, September.
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    Keywords

    Law of one price; purchasing power parity; risk aversion; exchange rate uncertainty;

    JEL classification:

    • F31 - International Economics - - International Finance - - - Foreign Exchange
    • F41 - International Economics - - Macroeconomic Aspects of International Trade and Finance - - - Open Economy Macroeconomics

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